Home / 32,730.93-45,168.86-18,391.37

Finding the Fourth Proportional to 32,730.93, 45,168.86 and 18,391.37

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Solution

The fourth proportional to 32,730.93, 45,168.86 and 18,391.37 is: 25,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,730.93 : 45,168.86 = 18,391.37 : x
  2. Step 2: Convert to fraction form
    32,730.93/45,168.86 = 18,391.37/x
  3. Step 3: Cross multiply
    32,730.93x = 45,168.86 × 18,391.37
  4. Step 4: Simplify right side
    32,730.93x = 830,717,036.87
  5. Step 5: Solve for x
    x = 830,717,036.87/32,730.93
  6. Step 6: Final answer
    x = 25,380.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.